Date published: 2025-12-18

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PR3 Antibody (D-1): sc-74534

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Datasheets
  • PR3 Antibody (D-1) is a mouse monoclonal IgG1 PR3 antibody, cited in 7 publications, provided at 200 µg/ml
  • raised against amino acids 89-148 mapping within an internal region of PR3 of human origin
  • PR3 Antibody (D-1) is recommended for detection of precursor and mature forms of PR3 of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-PR3 Antibody (D-1) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for PR3 Antibody (D-1) for WB and IHC(P) applications. These reagents are now offered in bundles with PR3 Antibody (D-1) (see ordering information below).

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PR3 Antibody (D-1) is a mouse monoclonal IgG1 antibody that detects PR3 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). PR3 (D-1) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. PR3 protein, also known as Proteinase 3, plays a crucial role in the immune response, particularly in neutrophil function. PR3 functions as a serine protease primarily stored in neutrophil azurophil granules and participates in degrading extracellular matrix components, such as elastin, which maintains tissue integrity during inflammatory responses. PR3′s ability to cleave elastin contributes to inflammation resolution and has implications in conditions like Wegener granulomatosis, where the immune system mistakenly targets the body′s own tissues. PR3 is critical for human leukemia cell proliferation and is expressed specifically in immature myeloid cells, making PR3 a G-CSF-responsive protein essential for factor-independent growth. PR3 genes, along with closely related proteins Neutrophil Elastase and azurocidin, are clustered on human chromosome 19′s short arm, highlighting their coordinated expression during neutrophil differentiation.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

PR3 Antibody (D-1) References:

  1. Myeloblastin is a granulocyte colony-stimulating factor-responsive gene conferring factor-independent growth to hematopoietic cells.  |  Lutz, PG., et al. 2000. Proc Natl Acad Sci U S A. 97: 1601-6. PMID: 10677505
  2. Three human elastase-like genes coordinately expressed in the myelomonocyte lineage are organized as a single genetic locus on 19pter.  |  Zimmer, M., et al. 1992. Proc Natl Acad Sci U S A. 89: 8215-9. PMID: 1518849
  3. Wegener's granulomatosis autoantigen is a novel neutrophil serine proteinase.  |  Niles, JL., et al. 1989. Blood. 74: 1888-93. PMID: 2679910
  4. Proteinase 3. A distinct human polymorphonuclear leukocyte proteinase that produces emphysema in hamsters.  |  Kao, RC., et al. 1988. J Clin Invest. 82: 1963-73. PMID: 3198760

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

PR3 Antibody (D-1)

sc-74534
200 µg/ml
$316.00

PR3 Antibody (D-1): m-IgG Fc BP-HRP Bundle

sc-527041
200 µg Ab; 10 µg BP
$354.00

PR3 Antibody (D-1): m-IgG1 BP-HRP Bundle

sc-532414
200 µg Ab; 20 µg BP
$354.00

PR3 Antibody (D-1) AC

sc-74534 AC
500 µg/ml, 25% agarose
$416.00

PR3 Antibody (D-1) HRP

sc-74534 HRP
200 µg/ml
$316.00

PR3 Antibody (D-1) FITC

sc-74534 FITC
200 µg/ml
$330.00

PR3 Antibody (D-1) PE

sc-74534 PE
200 µg/ml
$343.00

PR3 Antibody (D-1) Alexa Fluor® 488

sc-74534 AF488
200 µg/ml
$357.00

PR3 Antibody (D-1) Alexa Fluor® 546

sc-74534 AF546
200 µg/ml
$357.00

PR3 Antibody (D-1) Alexa Fluor® 594

sc-74534 AF594
200 µg/ml
$357.00

PR3 Antibody (D-1) Alexa Fluor® 647

sc-74534 AF647
200 µg/ml
$357.00

PR3 Antibody (D-1) Alexa Fluor® 680

sc-74534 AF680
200 µg/ml
$357.00

PR3 Antibody (D-1) Alexa Fluor® 790

sc-74534 AF790
200 µg/ml
$357.00

What disorders does this test check for 

Asked by: MicheleC
Thank you for your question. It would be helpful if you could call 800-457-3801, allowing for a more interactive discussion of this and other related questions.
Answered by: Technical Service
Date published: 2022-01-28

Can PR3 (D-1): sc-74534 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: jerojero
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent, PR3 (D-1): sc-74534 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2017-02-24
  • y_2025, m_12, d_5, h_10CST
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Rated 4 out of 5 by from Good antibodyDetects single band around 29 kD on 20 ug of THP-1 lystate following overnight incubation at 1:200 dilution.
Date published: 2017-09-21
Rated 5 out of 5 by from Exceptional immunoperoxidase cytoplasmicExceptional immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human spleen tissue. -SCBT QC
Date published: 2015-02-06
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PR3 Antibody (D-1) is rated 4.7 out of 5 by 3.
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